| 894 | } |
| 895 | |
| 896 | bool Image::LoadArrayFromImage(const Image& image, const Vector2ui& atlasSize) |
| 897 | { |
| 898 | #if NAZARA_UTILITY_SAFE |
| 899 | if (!image.IsValid()) |
| 900 | { |
| 901 | NazaraError("Image must be valid"); |
| 902 | return false; |
| 903 | } |
| 904 | |
| 905 | if (atlasSize.x == 0) |
| 906 | { |
| 907 | NazaraError("Atlas width must be over zero"); |
| 908 | return false; |
| 909 | } |
| 910 | |
| 911 | if (atlasSize.y == 0) |
| 912 | { |
| 913 | NazaraError("Atlas height must be over zero"); |
| 914 | return false; |
| 915 | } |
| 916 | #endif |
| 917 | |
| 918 | ImageType type = image.GetType(); |
| 919 | |
| 920 | #if NAZARA_UTILITY_SAFE |
| 921 | if (type != ImageType_1D && type != ImageType_2D) |
| 922 | { |
| 923 | NazaraError("Image type not handled (0x" + String::Number(type, 16) + ')'); |
| 924 | return false; |
| 925 | } |
| 926 | #endif |
| 927 | |
| 928 | Vector2ui imageSize(image.GetWidth(), image.GetHeight()); |
| 929 | |
| 930 | if (imageSize.x % atlasSize.x != 0) |
| 931 | { |
| 932 | NazaraWarning("Image width is not divisible by atlas width (" + String::Number(imageSize.x) + " mod " + String::Number(atlasSize.x) + " != 0)"); |
| 933 | } |
| 934 | |
| 935 | if (imageSize.y % atlasSize.y != 0) |
| 936 | { |
| 937 | NazaraWarning("Image height is not divisible by atlas height (" + String::Number(imageSize.y) + " mod " + String::Number(atlasSize.y) + " != 0)"); |
| 938 | } |
| 939 | |
| 940 | Vector2ui faceSize = imageSize/atlasSize; |
| 941 | |
| 942 | unsigned int layerCount = atlasSize.x*atlasSize.y; |
| 943 | |
| 944 | // Selon le type de l'image de base, on va créer un array d'images 2D ou 1D |
| 945 | if (type == ImageType_2D) |
| 946 | Create(ImageType_2D_Array, image.GetFormat(), faceSize.x, faceSize.y, layerCount); |
| 947 | else |
| 948 | Create(ImageType_1D_Array, image.GetFormat(), faceSize.x, layerCount); |
| 949 | |
| 950 | unsigned int layer = 0; |
| 951 | for (unsigned int j = 0; j < atlasSize.y; ++j) |
| 952 | for (unsigned int i = 0; i < atlasSize.x; ++i) |
| 953 | Copy(image, Rectui(i*faceSize.x, j*faceSize.y, faceSize.x, faceSize.y), Vector3ui(0, 0, layer++)); |